NOUS41 KOKX 231950


Public Information Statement
National Weather Service New York NY
350 PM EDT TUE JUN 23 2020

To:        Subscribers:
           -NOAA Weather Wire Service
           -Emergency Managers Weather Information Network
           Other NWS Partners and NWS Employees

From:      Allison Allen, Chief
           Marine, Tropical and Tsunami Services Branch

Subject:   National Tropical Cyclone Watch Warning Product
           (TCV) Collaboration Testing on June 24, 2020

The NWS Weather Prediction Center (WPC), the Ocean Prediction
Center (OPC), and Weather Forecast Offices (WFOs) in the NWS
Eastern Region will commence with internal software and hardware
testing of the National Tropical Cyclone Watch/Warning (TCV)
product collaboration process for the Atlantic Basin on
Wednesday, June 24, 2020.

Internal testing will begin at approximately 1400 GMT and
terminate at 1900 GMT daily during the scheduled test day.

Internal TCV test products are not intended to be released
externally through NWS dissemination and communication systems.
The text products affected by collaboration testing are the
National Tropical Cyclone Watch/Warning (TCV) products issued
under the following AWIPS Product Identifiers (PIL) and World
Meteorological Organization (WMO) Identifiers (ID):

TCV Product                    AWIPS PIL   WMO ID
------------                   ---------   -------
Preliminary TCV                PTCAT/1-5/  WTNT/81-85/ KNHC
National TCV                   TCVAT/1-5/  WTNT/81-85/ KNHC

In addition, the following National Digital Forecast Database
(NDFD) elements will be created for this test:
     - Tropical cyclone wind probabilities (incremental and
          cumulative) for 34 kt, 50 kt, and 64 kt
     - Hazard grid (including tropical storm, hurricane, and
          storm surge hazards)

The NWS will continue periodic internal tropical software
testing during the remainder of 2020.  The national TCV product
for the Atlantic Basin will contain a summary of collaborated
wind and/or storm surge watches and warnings, depicted by
NWS-defined geographic zones.

NWS WFOs participating in the National TCV product collaboration
tests are listed below:

NWS Eastern Region

Boston, MA (BOX)
Caribou, ME (CAR)
Charleston, SC (CHS)
Columbia, SC (CAE)
Gray/Portland, ME (GYX)
Mount Holly, NJ (PHI)
Newport/Morehead City, NC (MHX)
New York, NY (OKX)
Raleigh-Durham, NC (RAH)
Sterling, VA (LWX)
Wakefield, VA (AKQ)
Wilmington, NC (ILM)

For more information, please contact:

  Nelson Vaz
  Warning Coordination Meteorologist
  National Weather Service New York NY
  Upton, NY 11973
  [email protected]

National Public Information Statements are online at:



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